Beginners Guide to TikTok for Search - Rachel Pearson - We are Tilt __ Bright...
Line and planes
1.
2.
3. T
s N
θ
M
Q LINE SQ AND PLANE SMTN
ORTHOGONAL PROJECTION
OF LINE SQ ON PLANE SMTN
= LINE ST
SO ANGLE QST
Example:
4. T
s N
θ
M
Q
Garis SQ dgn satah SMTN
KAEDAH POTONG
Example:
S Q
S M T N
Q_ S__T_
1. POTONG YG
SAMA DAN
LETAK
DI TENGAH
2. YG TINGGAL
DIDEPAN
3.DARI Q KE TAK POTONG
CARI YG PALING DEKAT. -
5. P
S
T
U
R
Q
V
5 CM
12 cm
Diagram shows a right prism. The base PQRS is a horizontal
rectangle. Right angled triangle QRU is uniform cross-section
of the prism. V is the mid-point of PS.
Identify and calculate the angle between the line UV and the
plane RSTU. Spm 2007
0 ''
8
tan
13
= 31 36
θ =
16
cm
13
V
S U
8
θ
U V
RSTU V U S
7. θ
A
G
F
E
D
C
B
H
I
STEPS : 1. POTONG YG SAMA
2. YG TINGGAL E, F - DIDEPAN
3. E KE YG POTONG - C @ D
EFCD ABCD
E D A F C B
4. E KE YG TAK POTONG -
A @ B
10. (a)Nama the angle
between the plane
BCJ and the base
ABCD
(b)Calculate the angle
between the plane
BCJ and the base
ABCD.
D
1. :
2.
BCJ
SPM 2009
4
ABCD
∠ J B A
16. Kesilapan Pelajar:
(a) Tidak menanda sudut / menyatakan sudut
(b) Tidak semestinya menggunakan Tan.
(c) Pengiraan sisi yang salah
(d) Membulatkan Jawapan.